/*
* Copyright (c) 2006-2007 Erin Catto http:
*
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked, and must not be
* misrepresented the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
// We use contact ids to facilitate warm starting.
// var Features = Class.create();
// Features.prototype = 
export default class Features {
    constructor() {
        this._flip = 0;
        this._m_id = null;
        this._incidentEdge = 0;
        this._referenceFace = 0;
        this._incidentVertex = 0;
    }
    //
    set_referenceFace(value) {
        this._referenceFace = value;
        this._m_id.key = (this._m_id.key & 0xffffff00) | (this._referenceFace & 0x000000ff);
    }
    get_referenceFace() {
        return this._referenceFace;
    }
    set_incidentEdge(value) {
        this._incidentEdge = value;
        this._m_id.key = (this._m_id.key & 0xffff00ff) | ((this._incidentEdge << 8) & 0x0000ff00);
    }
    get_incidentEdge() {
        return this._incidentEdge;
    }
    set_incidentVertex(value) {
        this._incidentVertex = value;
        this._m_id.key = (this._m_id.key & 0xff00ffff) | ((this._incidentVertex << 16) & 0x00ff0000);
    }
    get_incidentVertex() {
        return this._incidentVertex;
    }
    set_flip(value) {
        this._flip = value;
        this._m_id.key = (this._m_id.key & 0x00ffffff) | ((this._flip << 24) & 0xff000000);
    }
    get_flip() {
        return this._flip;
    }
}
